Q. How many hours do antihistamines last?
Answer
Antihistamines are available without a prescription in various brands and formulations. Some work just 4 to 6 hours per day, while others work 12 to 24 hours—some pairs with a decongestant, which is a medication that dries out your nasal passages.
45Upvote
Related Questions
Popular Products
Human HairForklift TrucksServo Voltage StabilizerBasmati RiceBackhoe LoaderCarry Bag Making MachineDrum LifterElectric StackerScissor LiftsIndustrial Vibrating ScreenRotameterFlowmeterRotary Air CompressorIndustrial Eto SterilizerRice Packaging MachinesShredding MachineHammer MillAutomatic Labelling MachineDiesel ForkliftAerial Work PlatformStorage Rack SystemEpoxy ResinMild Steel BarStainless Steel SheetsStainless Steel StripsBag Filling MachinesAsphalt PlantsSlat ConveyorOintment PlantPlanetary MixersLadies KurtisLed LightsCctv CameraBall ValveAnti Cancer MedicineAir CompressorIncense SticksSolar LightsGoods LiftsVitrified TilesStainless Steel CoilsPvc PipesPvc Pipe FittingsUpvc PipesUpvc Ball ValvePipe Elbows